Protective shoe



FIG. 1 is a top front left perspective view of a protective shoe showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof; and

FIG. 5 is a bottom view thereof. 

The ornamental design for a protective shoe, as shown. 